Refrigerator



FIG. 1 is a front perspective view of the refrigerator showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a perspective view showing the front of the design in a state of use; and,

FIG. 9 is a perspective view showing the front of the design in another state of use.

The broken lines depict portions of the refrigerator that form no part of the claimed design. 

CLAIM The ornamental design for a refrigerator, as shown and described. 